femto-

From Danish femten (“fifteen”), and the previous name of the femtometre, the fermi.

femto-

1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁻¹⁵ (short scale quadrillionth or long scale billiardth). Symbol: f.

   Antonym: peta-

femto-

1. femto- (SI prefix for 10^-15)

• femto- in Kartotéka Novočeského lexikálního archivu

Created in 1962, by the Danish physicist Henning Højgaard Jensen (1918–2001), from the number femten (“fifteen”).

femto-

1. femto- (SI prefix for 10^-15)

Internationalism (see English femto-).

• IPA^(key): /ˈfemto-/, [ˈfe̞mt̪o̞-]

femto-

1. femto-

• “femto-”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02

• Audio

  (file)

femto-

1. femto-

From English femto-, from Danish femten (“fifteen”), and the previous name of the femtometre, the fermi.

• IPA^(key): [ˈfɛmto]
• Hyphenation: fém‧to

fémto

1. femto-: in the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−15. Symbol: f.

• “femto-” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

femto-

1. femto-

From Danish femten.

• IPA^(key): /ˈfɛm.tɔ/

• Audio

  (file)

• Rhymes: -ɛmtɔ
• Syllabification: fem‧to

femto-

1. femto-

   ‎femto- + ‎metr → ‎femtometr

• femto- in Polish dictionaries at PWN

femto-

1. femto-